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Finding the Fourth Proportional to 180,136.15, 248,622.15 and 118,774.42

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Solution

The fourth proportional to 180,136.15, 248,622.15 and 118,774.42 is: 163,931.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,136.15 : 248,622.15 = 118,774.42 : x
  2. Step 2: Convert to fraction form
    180,136.15/248,622.15 = 118,774.42/x
  3. Step 3: Cross multiply
    180,136.15x = 248,622.15 × 118,774.42
  4. Step 4: Simplify right side
    180,136.15x = 29,529,951,665.40
  5. Step 5: Solve for x
    x = 29,529,951,665.40/180,136.15
  6. Step 6: Final answer
    x = 163,931.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.